Question

what is double circulation in heart ??​

Answer 1

Answer:

Explanation:

This double blood circulatory system occurs in mammals like humans. In this type of circulation the blood passes our heart two times in a one cardiac cycle.

Answer 2

Answer:

Double ciculation means that blood is circulated twice at same time. For example as in human heart. Deoxygenated blood is carried to respiratory organs for oxygenation. Oxygenated blood is transported to different parts of the body.

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